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DESCRIPTION JPS5724791

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DESCRIPTION JPS5724791
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an assembled perspective view showing one
embodiment of the net attachment device according to the present invention, FIG. 2 is an
enlarged sectional view of a main part of the device, and FIGS. FIG. 1 ... metallic net body, 2 ...
mounting legs, 3 ... ... cabinet, 4 ... speaker sound emitting hole part, 5 ... Recess groove, 6 ...
through hole, 7 ... rib piece, 8 ... step part.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a
mounting apparatus for metal nets 21 and / or 2 l- which cover loudspeaker sound emitting
holes in audio equipment such as radio receivers and tape recorders, In order to prevent partial
fraying of mounting legs provided integrally with the metal net and to securely attach the metal
net to the cabinet provided with the speaker sound emitting hole portion. Generally, in the case
of attaching a metal net covering a speaker sound emitting hole portion provided in a cabinet,
attachment legs are integrally provided on the outer periphery of the metal net, and an adhesive
is applied to the attachment leg portion, whereas in the cabinet And the mounting legs provided
on the metallic net are inserted into the mounting holes so that the mounting legs are bent on the
inner surface side of the fertilizer cabinet. However, in the case of the above-described
attachment device, since the attachment leg portion of the metal net is merely tightened with an
adhesive, the attachment leg is inserted into the through hole of the cabinet and bonded 3 - □ It is impossible to expect sufficient fraying prevention effect because the agent is peeled off, and
it is only possible to expect sufficient mounting strength because the mounting leg is bent on the
inner surface side of the cabinet 3 - □ - . BRIEF DESCRIPTION OF THE DRAWINGS The present
invention is intended to overcome the above-described drawbacks of the prior art, and the
present invention will be described below with reference to the drawings of the embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention,
in which a metallic net body 1 is molded into a predetermined shape and a plurality of mounting
legs 2 are provided on the outer periphery. 3 is a synthetic resin cabinet having a speaker sound
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emitting hole portion 4 covered by the metallic net body 1 and is provided with a folded portion
1a of the metallic net body 1 so as to surround the speaker sound emitting hole portion 4 And a
through hole 6 into which each of the plurality of mounting legs 2 provided in the metal net
body 1 is inserted is provided from the bottom surface of the recessed groove 5. A pair of rib
pieces 7 are provided on the inner surface side of the cabinet 3 so as to face each other and
corresponding to each of the through holes 6, and between the pair of rib pieces 7, a step portion
8 Is provided at a position far from the through hole 6. Here, the pair of rib pieces 7 are
protruded from both ends of the to-be-through hole 6 and have a gap substantially equal to the
width of the attachment leg 2 of the metal net body 1 inserted into the through hole 6 are doing.
At the same time that the bent portion 1 a of the outer circumference of the metal net body 1 is
inserted into the recessed groove 5 of the cabinet 3, each of the mounting legs 2 of the outer
circumference thereof is inserted into the through hole 6 of the cabinet 3 , So that it is mounted
on the cabinet 3 so as to cover the speaker sound emitting hole portion 4.
3, each of the attachment legs 2 of the metallic net body 1 projecting to the inner surface side of
the cabinet 3 is interposed between a pair of rib pieces 7, 7 projecting from the inner surface
side of the cabinet 3 as shown in FIG. 3 And is attached to the cabinet 3 by melting each of the
pair of rib pieces 7 onto the folded attachment leg 2 with a hot plate 9, as shown in FIG. 4.
Therefore, the metallic net body 1 can effectively prevent fraying of its mounting leg 2 and
securely attach it to the cabinet 3. At this time, since the mounting leg 2 is bent in the pair of rib
pieces 7 so as to be along the step portion 8, when the rib piece 7 is welded by the hot plate 9,
there is no looseness and welding It can be attached firmly to the cabinet 3 later. As described
above, according to the present invention, the mounting leg integrally provided on the metallic
net body is inserted into the through hole provided around the speaker sound emitting hole
portion of the cabinet, and the inner surface of the cabinet Is bent between a pair of rib pieces
provided in the vicinity of the through hole so that the rib piece is welded to the folded
attachment leg, so that it is possible to attach the attachment leg integrally provided to the metal
net body The fray of the attachment leg can be effectively prevented by the molten rib piece and
the attachment leg of the metal net main body can be securely fixed.
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